St. John the Baptist Parish, Louisiana: Power, Data Centers and the Local Economy
Home to Edgard and Garyville

No data center or power plant project is on record in St. John the Baptist Parish, but the national build-out still reaches it through its utility bill, its labor market and the projects next door. St. John the Baptist Parish has no incorporated cities or towns. Its communities, including Edgard, Garyville, Laplace, are unincorporated and governed by the county. Construction employs 1,309, down 11.4% since 2019, and construction is 1.8 times as concentrated here as in the U.S. economy. Next door, St. Charles Parish has 1,640 MW of planned generation. Employers here counted 13,415 jobs in 2025, down 7.2% from 2019. Unemployment was 4.7% in August 2026, against 5.3% in 2019.
Cities and towns in St. John the Baptist Parish
St. John the Baptist Parish has no incorporated cities or towns. Its communities, including Edgard, Garyville, Laplace, are unincorporated and governed by the county.
Unincorporated communities (governed by the county): Edgard, Garyville, Laplace, Pleasure Bend, Reserve, Wallace.
Residents are 2025 Census estimates for the part of each city, town or township inside this county. Census publishes no annual estimate for unincorporated communities.
What changed in St. John the Baptist Parish
1st = the most. Ranks cover counties with a value on record.
| Measure | Then | Now | Change | Rank in Louisiana |
|---|---|---|---|---|
| Population (2020 → 2025) | 42,362 | 39,875 | ▼ 5.9% | 27th of 64 by size |
| Total jobs (2019 → 2025) | 14,460 | 13,415 | ▼ 7.2% | 57th of 64 by growth |
| Average annual pay (2019 → 2025) | $58,517 | $75,200 | ▲ 28.5% | — |
| Construction jobs (2019 → 2025) | 1,478 | 1,309 | ▼ 11.4% | 37th of 43 by growth |
| Unemployment rate (2019 → August 2026) | 5.3% | 4.7% | ▼ 0.6pts | — |
Entergy Louisiana LLC is the largest utility serving St. John the Baptist Parish. Its residential customers paid an average 11.05¢/kWh in 2024, below the 11.88¢ median for Louisiana utilities. 39,875 people live here, down 5.9% since 2020.
Who powers St. John the Baptist Parish
Utilities with service territory in St. John the Baptist Parish
| Utility | Ownership | Service | Residential customers (systemwide) | Residential price, 2024 | Commercial share of sales |
|---|---|---|---|---|---|
| Entergy Louisiana LLC | Investor Owned | Bundled | 957,522 | 11.05¢ | 20% |
Customer counts, prices and sales shares cover each utility's whole system in the state, not only this county. Commercial sales include data centers.
No operating power plant is located in St. John the Baptist Parish in the EIA-860M inventory. Its power comes over the grid from plants elsewhere.
The St. John the Baptist Parish labor market
| Industry (2025) | Jobs | Average pay | Concentration vs U.S. |
|---|---|---|---|
| All industries | 13,415 | $75,200 | 1.00 |
| Construction | 1,309 | $82,935 | 1.84 |
Concentration is the BLS location quotient: 1.0 means the industry holds the same share of local jobs as it does nationally. Industry rows count private employers; cells BLS suppresses are left out.
Data centers and local rules in St. John the Baptist Parish
No data center, local measure or delayed project is on record in St. John the Baptist Parish. Louisiana has 3 local measures on record statewide, and 1 neighboring county has one: St. Charles Parish.
St. John the Baptist Parish and its neighbors
Of the 8 counties that border St. John the Baptist Parish, St. Charles Parish carries the most build-out activity: data centers, planned generation and operating plants combined.
| County | Population | Jobs since 2019 | Operating MW | Planned MW | Data centers | Local measures |
|---|---|---|---|---|---|---|
| St. John the Baptist Parish | 39,875 | ▼ 7.2% | — | — | — | — |
| Ascension Parish | 135,105 | ▲ 7.4% | 248 MW | — | — | — |
| Jefferson Parish | 431,398 | ▼ 2.1% | 2,449 MW | — | 1 | — |
| Lafourche Parish | 95,505 | ▲ 2.5% | — | — | — | — |
| Livingston Parish | 155,036 | ▲ 6.4% | — | — | — | — |
| St. Charles Parish | 50,586 | ▼ 1.8% | 4,907 MW | 1,640 MW | — | 1 |
| St. James Parish | 18,938 | ▼ 5.1% | 138 MW | — | — | — |
| St. Tammany Parish | 279,108 | ▲ 8.2% | — | — | 2 | — |
| Tangipahoa Parish | 141,346 | ▲ 7.7% | 100 MW | — | — | — |
More of Louisiana
St. John the Baptist Parish, answered from the record
Who provides electricity in St. John the Baptist Parish, Louisiana?
1 utility has service territory in St. John the Baptist Parish in the EIA-861 2024 report: Entergy Louisiana LLC. The largest, Entergy Louisiana LLC, charged residential customers 11.05¢/kWh on average in 2024.
Are there data centers in St. John the Baptist Parish?
The SAVRN Data Center Map has no data center in St. John the Baptist Parish. The nearest activity on record is next door in St. Charles Parish.
Is St. John the Baptist Parish adding jobs?
Employers counted 13,415 jobs in 2025 against 14,460 in 2019 (-7.2%, BLS QCEW). Construction went from 1,478 to 1,309.
Does St. John the Baptist Parish have a data center moratorium?
No county-level measure is on record for St. John the Baptist Parish. Louisiana has 3 local measures statewide, listed on the state page.